3963454
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$399.95 $475.94

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins Flexible Hose, part number 3963454, is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, facilitating the transfer of fluids under varying conditions. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive systems to connect various components that require fluid transfer. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses are typically made from materials that offer flexibility, durability, and resistance to the specific fluids they transport. Their function is to provide a reliable pathway for fluids while withstanding the dynamic environment of a vehicle’s engine compartment 1.

Purpose of Cummins Flexible Hose Part #3963454

This Cummins part is engineered to connect specific systems within a truck, enabling the transport of fluids such as coolant, fuel, or hydraulic fluid. It plays a role in maintaining the integrity of the fluid pathways by offering a flexible connection that can endure the operational stresses of a commercial truck. This hose ensures that fluids are delivered efficiently to their intended destinations, supporting the overall function of the truck’s systems 2.

Key Features

This part incorporates several key features that enhance its performance. It is constructed from materials selected for their durability and resistance to the fluids it transports. The design includes reinforced layers to withstand high pressures and temperatures, ensuring reliable operation under demanding conditions. Additionally, the hose’s flexibility allows it to accommodate the movement and vibration inherent in truck operations, reducing the risk of damage or failure 3.

Benefits

Utilizing this part offers several advantages. Its construction materials and design contribute to improved durability, allowing it to resist the high temperatures and pressures encountered in truck systems. The hose’s flexibility enhances its ability to withstand the dynamic environment of a commercial truck, reducing the likelihood of leaks or failures. These characteristics combine to provide a reliable component that supports the efficient operation of truck systems.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure proper function and longevity. This may involve using specific tools for clamping and securing the hose to its connections. Careful attention to the hose’s orientation and routing can prevent unnecessary stress or kinks, which could impair its performance. Adhering to manufacturer recommendations for installation can help maintain the hose’s integrity and ensure it operates as intended.

Troubleshooting Common Issues

Common issues with flexible hoses, such as leaks or deterioration, can often be traced to installation errors, environmental factors, or normal wear and tear. Diagnosing these problems may involve inspecting the hose for signs of damage, checking connections for proper seating, and ensuring that the hose is routed correctly to avoid excessive stress. Resolving these issues may require repairing or replacing the hose, depending on the extent of the damage.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins Flexible Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear, damage, or leaks. Cleaning the hose and its connections can prevent the buildup of contaminants that may accelerate deterioration. Following a scheduled maintenance plan can help identify potential issues before they lead to failures, ensuring the hose continues to function reliably.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets. The company’s reputation for reliability and performance is built on a commitment to engineering excellence and customer satisfaction, making it a trusted name in the commercial truck industry.

Cummins Part 3963454: Flexible Hose Compatibility

This part is designed to fit seamlessly with specific engine models. It is engineered to provide a reliable connection between various engine components, ensuring smooth operation and durability.

K38 and K50 Engines

For the K38 and K50 engines, this part is a critical component that ensures the integrity of the engine’s fluid systems. It is specifically designed to handle the unique demands of these engines, providing flexibility and resilience under varying operational conditions.

The hose is engineered to withstand the pressures and temperatures typical of these engines, ensuring that it maintains its performance over time. This flexibility is crucial for accommodating the movement and vibrations inherent in engine operation, preventing leaks and maintaining system efficiency.

Integration and Functionality

In both the K38 and K50 engines, this part is integrated into the engine’s fluid transfer systems. It connects various parts of the engine, facilitating the flow of fluids such as coolant, oil, and fuel. This connection is vital for maintaining the engine’s operational integrity and preventing potential failures due to fluid leaks or blockages.

The design of the hose ensures that it can flex and move with the engine components, reducing the risk of wear and tear. This flexibility is particularly important in high-stress areas where the engine components may move significantly during operation.

Installation and Maintenance

Installing this part in the K38 and K50 engines requires precision to ensure a secure and leak-proof connection. Regular maintenance checks are recommended to inspect the hose for signs of wear, cracks, or leaks. Early detection of any issues can prevent potential engine damage and ensure the continued reliability of the engine’s fluid systems.

By using this part, engine operators can benefit from a component that is specifically designed to meet the demands of the K38 and K50 engines, ensuring optimal performance and longevity.

Role of Part 3963454 Flexible Hose in Engine Systems

This part is integral to the efficient operation of various engine components. Its primary function is to facilitate the transfer of fluids and gases between different parts of the engine system, ensuring smooth and uninterrupted operation.

Aftercooler Core and Aftercooler Plumbing

In the aftercooler system, the Flexible Hose connects the aftercooler core to the aftercooler plumbing. This connection allows for the efficient transfer of cooled air from the aftercooler core to other parts of the engine, enhancing overall performance and reducing thermal stress on engine components.

Camshaft and Gear Kit

Within the camshaft and gear kit, the Flexible Hose is used to connect various oil passages. This ensures that lubrication is consistently delivered to moving parts, reducing friction and wear. The flexibility of the hose accommodates the dynamic movements of the camshaft and gear assembly, maintaining a secure and leak-free connection.

On Board Spares

For on board spares, the Flexible Hose serves as a vital component in the quick-change systems. It allows for the rapid replacement of hoses in the field, minimizing downtime and ensuring that the engine can be returned to operation with minimal interruption.

Oil Control Valve and Oil Transfer Connection

In systems involving the oil control valve and oil transfer connection, the Flexible Hose plays a key role in regulating oil flow. It connects the oil control valve to the transfer connection, enabling precise control over oil distribution to critical engine components. This ensures optimal lubrication and cooling, contributing to enhanced engine longevity and performance.

Step Oil Drain Connection

The Flexible Hose is also employed in the step oil drain connection. It facilitates the efficient drainage of oil from the engine, ensuring that old oil is completely removed during maintenance procedures. This promotes cleaner oil circulation and maintains the integrity of the lubrication system.

Performance and Performance Parts

In high-performance engine setups, the Flexible Hose is often utilized in performance parts to handle increased fluid and gas flows. Its durability and flexibility make it suitable for withstanding the higher pressures and temperatures associated with performance enhancements, ensuring reliable operation under demanding conditions.

Conclusion

The Cummins Flexible Hose, part number 3963454, plays a crucial role in the efficient operation of commercial truck engines. Its design and features ensure reliable fluid transfer, accommodating the dynamic environment of engine operations. Regular maintenance and proper installation are key to maximizing its performance and longevity.


  1. Mohamed ElSayed PE, Fundamentals of Integrated Vehicle Realization, SAE International, 2017.

  2. Michael Hilgers, Alternative Powertrains and Extensions to the Conventional Powertrain, Springer Nature, 2023.

  3. Thomas D. Gillespie, Fundamentals of Vehicle Dynamics, SAE International, 2021.

SPECIFICATIONS

Package Dimensions
43.0 x 4.5 x 2.0 in
Weight
0.184 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.